Answers by visitors named: Charles

shouldn't you be the one telling me that.?

18 years ago

Gasoline: 737.22 kg/m3 Ethanol: 0.789 g/cm³

18 years ago

whys does it floats on gasoline and not ethanol?

18 years ago

thanks very much!

18 years ago

Than you for your help

17 years ago

So to figure out maximum friction force possible without sliding, that's the product of the 23lb block and the static friction of .6. that will be A? Then I'm not sure what to do next

17 years ago

B and C are on the same shaft

17 years ago

Thank you

17 years ago

thank you

17 years ago

I know the velocity would not remain the same but if it did what would the answer be

17 years ago

Thank you

17 years ago

Thank you

17 years ago

If Vmax is 18V and Vmin is 6V what is %m,Vc,Vm,Vusb,Vlsb

17 years ago

drwls: thanks for your help. would you mind explaining how you used that identity to set up the new problem? i get the chain rule but i had no idea that sin2xcos2x was equal to 1/2sin4x. thanks again.

17 years ago

This is how I'm doing part A. I'm told it's the wrong answer, but I can't figure out what I'm doing wrong. I'm hesitant on going to parts B and C until I understand part A. Part A: Step one: I changed the mols of Al to grams. 13.9mol Al * (26.9815g Al / 1...

15 years ago

Forget it... I got it thanks!!!!!

15 years ago

whats the answer to define the components of culture.

15 years ago

3-9/x/x-8+15/x

15 years ago

Also doesnt the cos45 = sqrt2/2 not 1/sqrt 2?

14 years ago

The WPA was paid for by posting US Bonds with the phrase "Reinvest in America" Couldn't the money now spent on unemployment and job retraining be so much better spent on a new version of the WPA than simply paying unemployed people a check every week for...

14 years ago

The median and mode are the same which is 12 yrs old. Median is the mean of the middle two values if there are an even number of students. So the number of students is 28 (which is even). So the middle two numbers are both 12 because the student who is no...

14 years ago

P=4.(17)^1/2

14 years ago

Solution.Tn=ar'n-1 where n=3

13 years ago

1.DISCUSS THE NATURE OF CORRUPTION BY PUBLIC OFFICERS 2.DISCUSS THE CAUSE OF CORRUPTION BY PUBLIC OFFICERS 3.FORMS BY PUBLIC OFFICERS 4.means of eradicating controling corruption in public establishment.

13 years ago

Q=12,914.805 cal

12 years ago

5/4 or 1 1/4 since when you divide fractions you multiply by the reciprocal

12 years ago

Figured it out 5 cents

12 years ago

I only need help with parts c) and d)

12 years ago

Express 0.000093 in scientific notation. Can anyone help?

12 years ago

Efficiency is "Efficiency = (useful work output / work input)" So the problem would look like: EC = (40/100) Divide 40 by 100, and you get 0.4 - which is 40%.

11 years ago

I don't understand the flow in the math here. Please help me understand this solution by "dumbing it down" a bit.

11 years ago

Thank you for that. I don't understand the rule for "Cy/Cx = 5/6.5; if Cx = 6.5k, then Cy = 5k." I also realize that your solution doesn't match my book's solution. Here's the step by step from the book that I'm not understanding either, perhaps someone c...

11 years ago

Just saw the flaw. -2.5 in vector B should be -3.5. This has had me stuck for too long.

11 years ago

spring scale

11 years ago

I can't. This is how my math teacher put in the question. Its confusing, right? Its just messed up. I was just hoping if someone can plug in the fraction. If I saw how it looks when its all plugged in I might get it.

10 years ago

16,252.06

10 years ago

yes I am ask for an example please Ms.sue

10 years ago

yes please

10 years ago

but how do you get the right amount of mL? I did: 2.46x10^25 Cl atoms x 1 atom/4 atoms x 1 mol/6.02x10^23 x 154 g/1 mol x 1 mL/2.71 g And the correct answer is apparently 572 mL when I got 581 mL.

10 years ago

6739.2

10 years ago

nah dude its Q

10 years ago

(V1/n1)=(V2/n2) (5.12÷7.51)=18.3÷n2 n2=26.84mol

9 years ago

Answer should be 5,700

9 years ago

God bless you

9 years ago

Stationery #84 000 ;sports equipments #262 000;computers #672 000; school lockers #157 500.

9 years ago

I don't really get you scott

9 years ago

Am I to substitute it this way 2[5(sin2)]/9.8.? Or will I make use of tan instead, since tan=2

9 years ago

just 20oN

9 years ago

How do you get 0.657 mols? I solved for x and got 0.6529 mols

9 years ago

Here is my work and I keep getting the hundredth value to be incorrect: 10^-4.5 = [1.8E-5 (1.8-x)]/x 10^-4.5 = [3.24E-5 - 1.8E-5]/x 10^-4.5x = 3.24E-5 - 1.8E-5x 4.96E-5x = 3.24E-5 x= 0.653

9 years ago

Use the formula, that will help you out.

9 years ago

W=f (s2- s1 -s3)

9 years ago

195%

9 years ago

Two committees, one with six and one with seven people, with no one person serving on both committees at the same time. In how many ways can this be done.

9 years ago

Beauty spot

9 years ago

Where does 100 come from?

8 years ago

Steve, if you can, look at the answer given to me by Chegg. It is much more explanatory how 100 comes from than from what you wrote and just told me? 100 is not in the initial problem, so how am I to assume 100 is part of it? The only number given to me i...

8 years ago

I don't know the answer

8 years ago

Net work is basically the area inside the closed loop

8 years ago

yep! and its 2017. :)

8 years ago

Sorry the word is "format ". I chose fiction and nonfiction

8 years ago

This is what my text says. "Standards for nonfiction and biography should be applied as rigorously as standards for fiction." I'm totally confused

8 years ago

we don't want to do all that work if we can find it online. Thats what the internet is for, finding math homework online

8 years ago

0.071 to 0.128

7 years ago

Estimate the rise in temperature of the brake discs in a car of mass 1200g,travelling at 30m/s which is brought to rest by the application of the brakes alone,the brake disc have a total mass of 5kg.Assummed that there is no heat loss and that the materia...

7 years ago

You're wrong

7 years ago

log exponentlogbase5and17

6 years ago

1.5x6.02x10^23=9.03x10^23 (3 sig. figs. as in 32.4) is the correct answer.

6 years ago

@oobleck, that is wrong, when I input it into the system, it said wrong

6 years ago

@oobleck, there is a larger value to the equeation

6 years ago

No, in inputted it into my thing, and it said wrong

6 years ago

So whats the answer

6 years ago

Input it into a latex converter, and u will get your thing

6 years ago

It says who will earn the most...

6 years ago

@oobleck, can you solve it, and just tell me the answer?

6 years ago

I need the answer fast, can you just show me the answer please?

6 years ago

Perimeter of Common Plane Figures 1. Triangle P = a + b + c P = 3s (equilateral) 2. Square P= 4s 3. Rectangle P = 2l + 2w or P = 2(l + w)

6 years ago

Oobleck thank you so much this is twice today

5 years ago

Answer

5 years ago

Good

5 years ago

Marcos pieces are each 1' 7"inches (which is irrelevant to the final result). Maria started with 8 pieces @ 2' 7" which equals 20' 8". Ergo Maria's string started 8' longer than Marcos was.

5 years ago

-Whole Quiz- Which of the following is necessary for plants to exhibit phototropism: auxin A vine growing around a lamp post is an example of: thigmotropism A tree that sheds its leaves in the fall is exhibiting: photoperiodism Students planted three bean...

4 years ago

-Whole Quiz- Which of the following body systems detects a stimulus and creates a response: nervous system Enzymes belong to a group of organic compounds called: proteins Dormancy helps plants survive freezing temperatures and lack of: water If an animal...

4 years ago

Water availability and temperature distinguish land biomes as *salt concentration* distinguishes aquatic biomes.

4 years ago

Which of the following describes an example of a potentially invasive species? *Fruit covered with fruit fly eggs is trucked from Mexico to Canada*

4 years ago

Which abiotic factor is essential to all aquatic ecosystems except ocean hydrothermal vents, and why? *sunlight, because it provides a source of energy*

4 years ago

Which of course he following characteristics of the arcitic rabbit is specfically an adaptation to living in the tundra? *white fur*

4 years ago

Which set of words below could be used to describe the dispersal of seeds to a new region? *wind, water, animal feces*

4 years ago

A plant native to a desert in the Southwest U.S is transplanted to the tundra region. The plant dies a few weeks after being moved. Which of the following factors in its new location could have been critical to its inability to survive the move? *temperat...

4 years ago

What is the major difference between ectotherms and endotherms? *whether or not the animal maintains a constant body temperature*

4 years ago

Which of the following is true about producers? *They are essential to all ecosystems*

4 years ago

How will the rate of bubble formation compare in three samples? *A>B>C*

4 years ago

Which of the following illustrates the energy changes taking place during photosynthesis? *light energy from sun -> chemical energy in bonds of glucose *

4 years ago

Early Chinese rulers established *dynasties* by conquering and uniting kingdoms under the rule of one emperor. From 624 to the early 1100s, the *Tang and Song* ruled over a golden age of prosperity before the Mongols invaded

4 years ago

*North Korea* is a command economy, *Japan* and *South Korea* are market-based economies, and *China* is a command economy with limited market reforms

4 years ago

In which nation did a nationalist military regime lead the country to invade its neighbors and help launch World Was ll? *Japan*

4 years ago

After 1945, a civil war in China led to the rise of a *communist* government there

4 years ago

*Christianity* is especially strong in South Korea *Islam* form a majority in many northwestern Chinese communities *Shinto* the majority of Japanese follow this belief Most East Asians adhere to *Buddhism*

4 years ago

Most people in China and Taiwan belong to what ethnic group? *Han*

4 years ago

North = Gobi East = coastal plains, fertile river valleys West= Himalayas

4 years ago